Which of the following are incorrectly paired? Sr. alkaline earth metal
Ir. transition metal
OF, halogen
As, halogen
V. transition metal

In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?

What must be in balance for temperatures to remain constant?